TESLA Network

Tesla EPBM Alert Codes

EPBM reference page with 5 Tesla alert codes, 2 detailed descriptions, severity counts, and diagnostic context.

Critical

Warning

Caution

Info

What the EPBM system covers

EPBM alerts belong to Tesla's proprietary diagnostic alert system and are grouped under the network category.

Read all active alerts together instead of diagnosing a single code in isolation.

Check recent service, firmware updates, and low-voltage battery condition.

Use Tesla Service or a qualified EV technician for safety-critical systems.

Warning 3 Fault 2

Rows with a linked code have a dedicated detail page.

Code	Severity	Type	Description
EPBM_f026 EPBM_f026_leftUnderRelease	Critical	Fault	EPBM_f026 - left Under Release Tesla fault code in the EPBM (EPBM) module. An under-release fault shall be triggered when the timer is under the minimum acceptable value during the release operation.
EPBM_f090 EPBM_f090_rightUnderRelease	Critical	Fault	EPBM_f090 - right Under Release Tesla fault code in the EPBM (EPBM) module. An under-release fault alert is indicated when the Electronic Park Brake (EPB) motor senses resistance before a full release cycle is completed.
EPBM_w100 EPBM_w100_calibrationWarning	Warning	Warning	EPBM_w100 - calibration Warning Tesla warning code in the EPBM (EPBM) module related to calibration warning.
EPBM_w102 EPBM_w102_targetNotReachedL	Warning	Warning	EPBM_w102 - target Not Reached L Tesla warning code in the EPBM (EPBM) module related to target not reached l.
EPBM_w103 EPBM_w103_targetNotReachedR	Warning	Warning	EPBM_w103 - target Not Reached R Tesla warning code in the EPBM (EPBM) module related to target not reached r.